85676644 has 12 divisors (see below), whose sum is σ = 150022768. Its totient is φ = 42813000.

The previous prime is 85676611. The next prime is 85676671. The reversal of 85676644 is 44667658.

It is a junction number, because it is equal to n+sod(n) for n = 85676594 and 85676603.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2719 + ... + 13369.

Almost surely, 2^85676644 is an apocalyptic number.

It is an amenable number.

85676644 is a deficient number, since it is larger than the sum of its proper divisors (64346124).

85676644 is a wasteful number, since it uses less digits than its factorization.

85676644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12666 (or 12664 counting only the distinct ones).

The product of its digits is 967680, while the sum is 46.

The square root of 85676644 is about 9256.1678895750. The cubic root of 85676644 is about 440.8465863260.

It can be divided in two parts, 85676 and 644, that added together give a triangular number (86320 = T₄₁₅).

The spelling of 85676644 in words is "eighty-five million, six hundred seventy-six thousand, six hundred forty-four".